Integrated Circuits (ICs)

MP4459DQT-LF-P

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DC-DC SWITCHING BUCK (STEP DOWN) REGULATOR, 3.8V-36V IN, 800MV TO 30V OUT, 1.5A, 4MHZ, TQFN-EP-10

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Integrated Circuits (ICs)

Active

DC-DC SWITCHING BUCK (STEP DOWN) REGULATOR, 3.8V-36V IN, 800MV TO 30V OUT, 1.5A, 4MHZ, TQFN-EP-10

Technical Specifications

Parameters and characteristics for this part

Part	Voltage - Input (Max) [Max]	Voltage - Output (Min/Fixed)	Topology	Output Type	Voltage - Input (Min) [Min]	Output Configuration	Function	Number of Outputs	Frequency - Switching [Max]	Synchronous Rectifier	Operating Temperature [Min]	Operating Temperature [Max]	Mounting Type	Voltage - Output (Max) [Max]	Package / Case	Current - Output	Supplier Device Package
Monolithic Power Systems Inc. MP4459DQT-LF-P	36 V	0.8 V	Buck	Adjustable	3.8 V	Positive	Step-Down	1	4 MHz		-40 C	125 °C	Surface Mount	30 V	10-WFDFN Exposed Pad	1.5 A	10-TQFN (3x3)
Monolithic Power Systems Inc. MP4459DQT-LF-Z	36 V	0.8 V	Buck	Adjustable	3.8 V	Positive	Step-Down	1	4 MHz		-40 C	125 °C	Surface Mount	30 V	10-WFDFN Exposed Pad	1.5 A	10-TQFN (3x3)

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 3.69
	Digi-Reel®	1	$ 3.69
	N/A	500	$ 2.00
	Tape & Reel (TR)	500	$ 1.73
Newark	Each (Supplied on Cut Tape)	1	$ 6.11

General part information

High frequency step-down switching regulator in 10 pin TQFN-EP package

120µA quiescent current

150mohm internal power MOSFET

Technical documentation and resources